LTC3588-1 Datasheet, PDF (5/20 Pages) Linear Technology – Piezoelectric Energy Harvesting Power Supply

TYPICAL PERFORMANCE CHARACTERISTICS
LTC3588-1
Bridge Leakage vs Temperature
20
V_IN = 18V, LEAKAGE AT PZ1 OR PZ2
18
16
14
12
10
8
6
4
2
0
–55
–10 35
80 125 170
TEMPERATURE (°C)
35881 G07
Bridge Frequency Response
2.0 _{4VP-P APPLIED TO PZ1/PZ2 INPUT}
1.8 MEASURED IN UVLO
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
35881 G08
1.8V Output vs Temperature
1.85
SLEEP THRESHOLD
1.80
WAKE-UP THRESHOLD
1.75
1.70
PGOOD FALLING
1.65
1.60
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35881 G09
2.5V Output vs Temperature
2.55
SLEEP THRESHOLD
2.50
WAKE-UP THRESHOLD
2.45
2.40
2.35
2.30
PGOOD FALLING
2.25
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35881 G10
3.3V Output vs Temperature
3.35
SLEEP THRESHOLD
3.30
WAKE-UP THRESHOLD
3.25
3.20
3.15
3.10
3.05
PGOOD FALLING
3.00
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35881 G11
3.6V Output vs Temperature
3.65
SLEEP THRESHOLD
3.60
WAKE-UP THRESHOLD
3.55
3.50
3.45
3.40
3.35
PGOOD FALLING
3.30
3.25
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35881 G12
V_OUT Load Regulation
2.56
V_IN = 5V, L = 10μH, D1 = 0, D0 = 1
2.54
2.52
2.50
2.48
2.46
2.44
1μ
10μ 100μ 1m 10m 100m
LOAD CURRENT (A)
35881 G13
V_OUT Line Regulation
2.56
L = 10μH, I_LOAD = 100mA, D1 = 0, D0 = 1
2.54
2.52
2.50
2.48
2.46
2.44
4 6 8 10 12 14 16 18
V_IN (V)
35881 G14
I_VOUT vs Temperature
120
110
V_OUT = 3.6V
100
90
V_OUT = 3.3V
80
70
60
V_OUT = 2.5V
50
V_OUT = 1.8V
40
30
20
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
35881 G15
35881f
5